es necesario (I)
it is necessary
es importante (I)
it is important
es f�cil (I)
it is easy
es dif�cil (I)
it is hard
es bueno (I)
it is good
es malo (I)
it is bad
es imprescindible (I)
it is essential
es imperativo (I)
it is imperative
es mejor (I)
it is better
es peor (I)
it is worse
es interesante (I)
it is interesting
es incre�ble (I)
it is incredible
es vital (I)
it is vital
es extra�o (I)
it is strange
es horrible (I)
it is horrible
es posible (I)
it is possible
es probable (I)
it is probable
no es seguro (I)
it is not sure
es dudoso (I)
it is doubtful
no es cierto (I)
it is not true
no es evidente (I)
it is not evidente
no es verdad (I)
it is not true